CN103215786B - Washing machine - Google Patents
Washing machine Download PDFInfo
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- CN103215786B CN103215786B CN201310096656.3A CN201310096656A CN103215786B CN 103215786 B CN103215786 B CN 103215786B CN 201310096656 A CN201310096656 A CN 201310096656A CN 103215786 B CN103215786 B CN 103215786B
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- outer barrel
- magnetic part
- washing machine
- magnetoresistive transducer
- magnetic
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- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention discloses a kind of washing machine, including：Housing；Controller；Outer barrel, the outer barrel is arranged in the housing；Inner cylinder, the inner cylinder is pivotably mounted in the outer barrel；Magnetic part, the magnetic part be located at the outer barrel or housing one of them on；And magnetoresistive transducer, the magnetoresistive transducer be located at the outer barrel or housing another on, the magnetoresistive transducer is oppositely arranged to sense the magnetic part with the magnetic part, and the magnetoresistive transducer is connected with the controller.Washing machine according to embodiments of the present invention, detects whether laundry machine dehydration balances by non-contact type detection method, weares and teares small to washing machine, extends the washing machine life-span, reliability is high；Magnetoresistive transducer and magnetic part highly versatile, in the case where hardware is constant, only need adjustment director demon comparison threshold value voltage that matching can be achieved to different dewatering systems；And the washing machine detects for non-contact type, it will not be collided in detection process, therefore will not make a noise.
Description
Technical field
The present invention relates to household electrical appliance preparing technical field, more particularly, to a kind of washing machine.
Background technology
Washing machine is in dehydration, if clothing skewness, dehydration barrel meeting eccentric operating, makes the steel ladle of suspention abnormal
Motion, hits casing, and larger threaten is produced to machine and personal safety.The uneven detection being dehydrated at present is mainly by being filled with water
Bucket hits safety switch swing rod, and computer board, which is detected, stops dehydration and automatic running water inlet is put down again after the change of specific voltage signal
Weighing apparatus program, is uniformly distributed washings, is further continued for dehydration.The abrasion of existing safety switch mechanical pendulum bar part, deformation are even disconnected
Split and the reed deformation of electric switch, microswitch can substantially reduce the reliability of safety switch situations such as fail；Difference is held
The washing machine of section is measured because the difference of physical dimension needs different safety switches to match to reach optimum efficiency, part universality is not
It is good；In addition, before eccentric dehydration barrel shuts down, hitting the noise produced and being also unsatisfactory for the ecological requirements that people increasingly improve.
Therefore the reliable uneven detection means of general environmentally friendly laundry machine dehydration turns into eager demand.
The content of the invention
It is contemplated that at least solving one of above-mentioned technical problem to a certain extent.
Therefore, it is an object of the present invention to propose whether a kind of non-contact type detection dehydration balances, it is small to wear and tear,
The high washing machine of reliability.
Washing machine according to embodiments of the present invention, including：Housing, the housing upper is formed with workbench；Controller, institute
Controller is stated to set on the housing；Outer barrel, the outer barrel is arranged in the housing；Inner cylinder, the inner cylinder is pivotly pacified
In the outer barrel；Magnetic part, the magnetic part be located at the outer barrel or housing one of them on；And magnetoresistive transducer,
The magnetoresistive transducer be located at the outer barrel or housing another on, the magnetoresistive transducer is oppositely arranged with the magnetic part
To sense the magnetic part, the magnetoresistive transducer is connected with the controller.
Washing machine according to embodiments of the present invention, is coordinated, magnetoresistive transducer is in difference by magnetoresistive transducer and magnetic part
Locus induced magnetism part, can export regular voltage, during laundry machine dehydration, when washing machine unbalance loading is dehydrated, magnetic
The relative position for hindering sensor and magnetic part is less than predetermined value, and the voltage of magnetoresistive transducer outflow is beyond the predetermined voltage of controller
Scope, then controller control dehydration procedure termination.Whether the washing machine detects laundry machine dehydration by non-contact type detection method
Balance, weares and teares small to washing machine, extends the washing machine life-span, reliability is high；Magnetoresistive transducer and magnetic part highly versatile, in hardware
In the case of constant, only need adjustment director demon comparison threshold value voltage that matching can be achieved to different dewatering systems；And
The washing machine detects for non-contact type, will not be collided in detection process, therefore will not make a noise, and meets the peace of consumer
Loopful guaranteed request.
In addition, washing machine according to embodiments of the present invention, can also have technical characteristic additional as follows：
According to one embodiment of present invention, the magnetoresistive transducer includes：There is dc source on body, the body
End, common ground end and output end, wherein the output end is connected with the controller；With magnetic field induction portion, the magnetic field sense
The portion portion of answering sets on the body and is oppositely arranged with the magnetic part.
According to one embodiment of present invention, the top of the outer barrel is opened wide, and the magnetic resistance inductor is located at the outer barrel
The top and magnetic field induction portion is upwardly disposed, the magnetic part be located at below the workbench and the magnetic part magnetic face
Arrange down.
Alternatively, the magnetic part is in the outside for being radially located at the magnetoresistive transducer of the outer barrel.
According to one embodiment of present invention, the top of the outer barrel is opened wide, and the magnetic part is located at the outer barrel top
And the magnetic of the magnetic part is arranged up, the magnetic resistance inductor is located at below the workbench and the magnetic field induction portion
Arrange down.
Alternatively, the magnetic resistance inductor is in the outside for being radially located at the magnetic part of the outer barrel.
According to one embodiment of present invention, the magnetic part is magnet.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the structural representation of washing machine according to an embodiment of the invention；
Fig. 2 is the magnetic resistance inductor of washing machine according to an embodiment of the invention and the structural representation of magnetic part；
Fig. 3 is the dewatering process flow schematic diagram of washing machine according to an embodiment of the invention；
Fig. 4 is the structural representation of washing machine in accordance with another embodiment of the present invention；
Reference：
10：Housing；11：Workbench；
20：Outer barrel；
30：Inner cylinder；
40（40a）：Magnetic part；
50（50a）：Magnetoresistive transducer；51：Body；511：DC power supply terminal；512：Common ground end；513：Output end；
52：Magnetic field induction portion.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
"front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", etc. instruction orientation or position relationship be
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicate or dark
Specific orientation must be had, with specific azimuth configuration and operation by showing the device or element of meaning, therefore it is not intended that right
The limitation of the present invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；It can be machine
Tool is connected or electrically connected；Can be joined directly together, can also be indirectly connected to by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
Washing machine according to embodiments of the present invention is specifically described below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, washing machine according to embodiments of the present invention includes：Housing 10, controller, outer barrel 20, inner cylinder
30th, magnetic part 40 and magnetoresistive transducer 50.
Specifically, the top of housing 10 is formed with workbench 11, and controller is set on the housing 10；Outer barrel 20 is arranged on housing
In 10, inner cylinder 30 is pivotably mounted in outer barrel 20.Magnetic part 40 be located at outer barrel 20 or housing 10 one of them on, magnetic resistance
Sensor 50 be located at outer barrel 20 or housing 10 another on, magnetoresistive transducer 50 is oppositely arranged with induced magnetism with magnetic part 40
Part 40, magnetoresistive transducer 50 is connected with controller.
It should be noted that external magnetic field size variation causes the phenomenon of material change in resistance to be referred to as magnetic resistance (MR) effect,
Magnetoresistive transducer 50 is made using this effect.Magnetoresistive transducer 50 can be exported in the different spatial of magnetic part 40
Regular voltage.In the present invention, when the relative position r of magnetoresistive transducer 50 and magnetic part 40 changes, magnetoresistive transducer 50
The magnetic field size B detected changes, and corresponding output voltage U also changes therewith.When washing machine unbalance loading is dehydrated, magnetic resistance is passed
Sensor 50 and magnetic part relative position r are less than some value, and the output voltage U of magnetoresistive transducer 50 is not in the electricity of controller initial setting up
In the range of pressure, controller terminate dehydration procedure and automatic running water inlet releveling program, washings be uniformly distributed after followed by reforwarding
Row dehydration procedure.
Washing machine according to embodiments of the present invention, is coordinated by magnetoresistive transducer 50 with magnetic part 40, magnetoresistive transducer 50
Regular voltage can be exported in different spatial induced magnetism part 40, during laundry machine dehydration, washing machine unbalance loading takes off
During water, magnetoresistive transducer 50 is less than predetermined value with the relative position of magnetic part 40, and the voltage that magnetoresistive transducer 50 is spread out of is beyond control
The predetermined voltage range of device processed, then controller control dehydration procedure termination.The washing machine is detected by non-contact type detection method
Whether laundry machine dehydration balances, and weares and teares small to washing machine, extends the washing machine life-span, reliability is high；Magnetoresistive transducer 50 and magnetic
The highly versatile of part 40, in the case where hardware is constant, adjustment director demon comparison threshold value electricity is only needed to different dewatering systems
Matching can be achieved in pressure；And the washing machine detects for non-contact type, it will not be collided in detection process, therefore will not send
Noise, meets the safety and environmental protection requirement of consumer.
Specifically, according to one embodiment of present invention, as shown in Fig. 2 magnetoresistive transducer 50 includes：Body 51 and magnetic field
Induction part 52.There is DC power supply terminal 511, common ground end 512 and output end 513, wherein output end 513 and control on body 51
Device processed is connected, and 52, magnetic field induction portion is located on body 51 and is oppositely arranged with magnetic part 40.DC power supply terminal 511 and direct current
Source is connected, and common ground end is connected with ground wire.Thus, magnetic field induction portion 52 is oppositely arranged with magnetic part 40, can preferably be felt
Magnetropism part 40.
The selection of magnetic part 40 is not particularly limited, and the tool that can be commonly used using those of ordinary skill in the art is magnetic
Structure.Preferably, according to one embodiment of present invention, magnetic part 40 is magnet.Thus, magnet source is extensive, and magnetic
Relatively strong, inductive effects are good.
It is to be appreciated that position of the magnetoresistive transducer 50 with magnetic part 40 on washing machine is not particularly limited, as long as
Interaction can be played between magnetoresistive transducer 50 and magnetic part 40, magnetoresistive transducer 50 induced magnetism part 40 and can be exported
Voltage.Magnetoresistive transducer 50 and magnetic part 40 according to washing machine of the present invention are described in laundry with reference to specific embodiment
Position on machine.
Embodiment 1
As shown in figure 1, the top of outer barrel 20 is opened wide, magnetic resistance inductor 50 is located at the top of outer barrel 20 and court of magnetic field induction portion 52
Upper arrangement, magnetic part 40 is located at the lower section of workbench 11 and the magnetic of magnetic part 40 is arranged down.
Specifically, magnetic resistance inductor 50 is arranged in the plane on the top of outer barrel 20, and outer barrel 20 is by hanging spring and the phase of housing 10
Even, inner cylinder 30 is rotated in dehydration can drive outer barrel 20 to rock.The magnetic of magnetic part 40 facing to magnetic field induction portion 52, and
Magnetic part 40 is in the outside for being radially located at magnetoresistive transducer 50 of outer barrel 20.
The dehydration of the washing machine described according to embodiments of the present invention 1 is specifically described with reference to Fig. 3.
Washing machine according to embodiments of the present invention is in normal dehydration, and the normal rotation of inner cylinder 30, the shaking amplitude of outer barrel 20 is small,
The induced magnetism part 40 of magnetic field induction portion 52 of magnetic resistance inductor 50, and voltage is passed to by controller by output end 513, this
When, because the shaking amplitude of outer barrel 20 is small, the voltage that magnetic resistance inductor 50 is exported takes off in the voltage range of controller initial setting up
Water program can be normally carried out.
When unbalance loading dehydration occurs in washing machine, inner cylinder 30 occurs unbalance loading and rotated, and outer barrel 20 is under the uneven loading action of inner cylinder 30
Shaking amplitude is larger, and the distance between magnetic resistance inductor 50 and magnetic part 40 change and fluctuate larger, magnetic resistance inductor 50
The induced magnetism part 40 of magnetic field induction portion 52, the voltage for being transferred to output end 513 also changes, beyond controller initial setting up
Voltage range.Now, controller terminates dehydration procedure, and automatic running water inlet releveling program, and load distribution is uniformly follow-up
It is continuous to start dehydration procedure, and said process is repeated until dehydration is completed.
Embodiment 2
As shown in figure 4, the top of outer barrel 20 is opened wide, magnetic part 40a is located at the top of outer barrel 20 and magnetic part 40a magnetic face
Upwardly disposed, magnetic resistance inductor 50a is located at the lower section of workbench 11 and magnetic field induction portion is arranged down.
Specifically, magnetic part 40a is arranged in the plane on the top of outer barrel 20, and outer barrel 20 is connected by hanging spring with housing 10,
Inner cylinder 30 is rotated in dehydration can drive outer barrel 20 to rock.Magnetic part 40a magnetic is facing to magnetic field induction portion, and magnetic resistance
Inductor 50a is in the outside for being radially located at magnetic part 40a of outer barrel 20.
The dehydration of according to embodiments of the present invention 2 washing machine and the dehydration of according to embodiments of the present invention 1 washing machine
Process is similar, therefore repeats no more.
By above-described embodiment as can be seen that washing machine according to embodiments of the present invention, passes through non-contact type detection method
It can detect whether laundry machine dehydration balances, small worn and torn to washing machine, extends the washing machine life-span, reliability is high；Magnetoresistive transducer
50 and the highly versatile of magnetic part 40, in the case where hardware is constant, different dewatering systems is only needed to adjust director demon pair
It is that matching can be achieved than threshold voltage；And the washing machine detects for non-contact type, it will not be collided in detection process, therefore
It will not make a noise, meet the safety and environmental protection requirement of consumer.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art is not departing from the principle and objective of the present invention
In the case of above-described embodiment can be changed within the scope of the invention, change, replace and modification.
Claims (5)
1. a kind of washing machine, it is characterised in that including：
Housing, the housing upper is formed with workbench；
Controller, the controller is set on the housing；
Outer barrel, the outer barrel is arranged in the housing；
Inner cylinder, the inner cylinder is pivotably mounted in the outer barrel；
Magnetic part, the magnetic part be located at the outer barrel or housing one of them on；With
Magnetoresistive transducer, the magnetoresistive transducer be located at the outer barrel or housing another on, the magnetoresistive transducer and institute
State magnetic part to be oppositely arranged to sense the magnetic part, the magnetoresistive transducer is connected with the controller, the magneto-resistive transducing
Device includes：
There is DC power supply terminal, common ground end and output end, wherein the output end and the control on body, the body
Device is connected；With
Magnetic field induction portion, the magnetic field induction portion sets on the body and is oppositely arranged with the magnetic part, the outer barrel
Top is opened wide, and the magnetoresistive transducer is located at that the outer barrel top and the magnetic field induction portion are upwardly disposed, and the magnetic part is set
Below the workbench and the magnetic of the magnetic part is arranged down.
2. washing machine according to claim 1, it is characterised in that the magnetic part is radially located at institute the outer barrel
State the outside of magnetoresistive transducer.
3. washing machine according to claim 1, it is characterised in that the top of the outer barrel is opened wide, and the magnetic part is located at
The magnetic of the outer barrel top and the magnetic part arranges that the magnetoresistive transducer is located at below the workbench and institute up
Magnetic field induction portion is stated to arrange down.
4. washing machine according to claim 3, it is characterised in that the magnetoresistive transducer is upper in the radial direction of the outer barrel
In the outside of the magnetic part.
5. the washing machine according to any one of claim 1-4, it is characterised in that the magnetic part is magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310096656.3A CN103215786B (en) | 2013-03-22 | 2013-03-22 | Washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310096656.3A CN103215786B (en) | 2013-03-22 | 2013-03-22 | Washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103215786A CN103215786A (en) | 2013-07-24 |
| CN103215786B true CN103215786B (en) | 2017-07-18 |
Family
ID=48813914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310096656.3A Expired - Fee Related CN103215786B (en) | 2013-03-22 | 2013-03-22 | Washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103215786B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790167B (en) * | 2014-01-21 | 2017-05-24 | 无锡小天鹅股份有限公司 | Washing machine and detecting method for unbalanced operation thereof |
| CN107974805B (en) * | 2017-11-14 | 2023-06-06 | 珠海格力电器股份有限公司 | Vibration reduction structure, washing machine and vibration reduction method of washing machine |
| CN110725095B (en) * | 2018-07-17 | 2022-01-25 | 无锡小天鹅电器有限公司 | Pulsator washing machine, eccentricity sensing method and device and storage medium |
| JPWO2020105549A1 (en) * | 2018-11-21 | 2021-10-07 | シャープ株式会社 | Washing machine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0871290A (en) * | 1994-09-02 | 1996-03-19 | Matsushita Electric Ind Co Ltd | Vibration sensor of fully automatic washing machine and its signal processing means |
| US5561990A (en) * | 1995-06-19 | 1996-10-08 | General Electric Company | System based on inductive coupling for sensing spin speed and an out-of-balance condition |
| KR0179255B1 (en) * | 1996-02-22 | 1999-05-15 | 구자홍 | Apparatus and method for dehydration of a washing machine |
| JP3692667B2 (en) * | 1996-12-02 | 2005-09-07 | 株式会社日立製作所 | Washing machine |
| CN1611662A (en) * | 2003-10-30 | 2005-05-04 | 乐金电子(天津)电器有限公司 | Clothing amount and eccentric value detecting device for drum washing machine and method thereof |
| DE202007002626U1 (en) * | 2007-02-22 | 2007-04-19 | BSH Bosch und Siemens Hausgeräte GmbH | Combined washing machine and dryer includes magnetic detector sensing position and attitude of drum container vessel within outer casing |
-
2013
- 2013-03-22 CN CN201310096656.3A patent/CN103215786B/en not_active Expired - Fee Related
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| CN103215786A (en) | 2013-07-24 |
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Granted publication date: 20170718 Termination date: 20190322 |